Researchers have found that previous influenza infections may provide at least some level of immunity to the H1N1 swine flu . The rest is here: Previous seasonal flu .
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Previous seasonal flu infections may provide some level of H1N1 …
Previous Seasonal Flu Infections May Provide Some Level of H1N1 Immunity. (Science Daily) Researchers … have found that previous influenza infections may provide at least some level of immunity to the H1N1 “swine” flu . …
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Many Years Young: Previous Seasonal Flu Infections May Provide …
Researchers at the La Jolla Institute for Allergy & Immunology have found that previous influenza infections may provide at least some level of immunity to the H1N1 swine flu .
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Scientists find previous seasonal flu infections may provide some …